6424091 has 2 divisors, whose sum is σ = 6424092. Its totient is φ = 6424090.

The previous prime is 6424087. The next prime is 6424111. The reversal of 6424091 is 1904246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6424091 - 2² = 6424087 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6424091.

It is not a weakly prime, because it can be changed into another prime (6424001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212045 + 3212046.

It is an arithmetic number, because the mean of its divisors is an integer number (3212046).

Almost surely, 2^6424091 is an apocalyptic number.

6424091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424091 is an equidigital number, since it uses as much as digits as its factorization.

6424091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6424091 is about 2534.5790577530. The cubic root of 6424091 is about 185.8962210604.

The spelling of 6424091 in words is "six million, four hundred twenty-four thousand, ninety-one".